
package org.linlinjava.litemall.wx.web;

import org.linlinjava.litemall.core.util.ResponseUtil;
import org.linlinjava.litemall.core.validator.Order;
import org.linlinjava.litemall.core.validator.Sort;
import org.linlinjava.litemall.db.domain.LitemallGoods;
import org.linlinjava.litemall.db.domain.LitemallTopic;
import org.linlinjava.litemall.db.service.LitemallGoodsService;
import org.linlinjava.litemall.db.service.LitemallTopicService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.validation.constraints.NotNull;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 专题服务
 */
@RestController
@RequestMapping("/wx/topic")
@Validated
public class WxTopicController {

	@Autowired
	private LitemallTopicService topicService;

	@Autowired
	private LitemallGoodsService goodsService;

	/**
	 * 专题列表
	 *
	 * @param page  分页页数
	 * @param limit 分页大小
	 * @return 专题列表
	 */
	@GetMapping("list")
	public Object list(@RequestParam(defaultValue="1") Integer page,
		@RequestParam(defaultValue="10") Integer limit,
		@Sort @RequestParam(defaultValue="add_time") String sort,
		@Order @RequestParam(defaultValue="desc") String order) {
		List<LitemallTopic> topicList = topicService.queryList(page, limit, sort, order);
		return ResponseUtil.okList(topicList);
	}

	/**
	 * 专题详情
	 *
	 * @param id 专题ID
	 * @return 专题详情
	 */
	@GetMapping("detail")
	public Object detail(@NotNull Integer id) {
		LitemallTopic topic = topicService.findById(id);
		List<LitemallGoods> goods = new ArrayList<>();
		for (Integer i : topic.getGoods()) {
			LitemallGoods good = goodsService.findByIdVO(i);
			if (null != good) {
				goods.add(good);
			}
		}
		Map<String, Object> entity = new HashMap<String, Object>();
		entity.put("topic", topic);
		entity.put("goods", goods);
		return ResponseUtil.ok(entity);
	}

	/**
	 * 相关专题
	 *
	 * @param id 专题ID
	 * @return 相关专题
	 */
	@GetMapping("related")
	public Object related(@NotNull Integer id) {
		List<LitemallTopic> topicRelatedList = topicService.queryRelatedList(id, 0, 4);
		return ResponseUtil.okList(topicRelatedList);
	}
}